Wheel for scouring or buffing



(No Model.)

l yA. 0i WINN. WHEEL FOR SGOURING 0R BUFPING.

Patented Mar. 3, 1896.

ATENT OFFICE.

ALBY C. VINN, OF HAVERHILL, MASSACHUSETTS.

WHE-EL FOR SCOURING OR BUFFING.

SPECIFICATION forming part of Letters Patent No. 555,719, dated March 3,1896.

Application filed J une 8, 1895. Serial No. 552,065. (No model.)

To all whom it may concern:

Be it known that l, ALBY C. VINN, a citizen of the United States, and aresident of Haverhill, in the county of Essex and State of Massachusetts,have invented certain new and useful Improvements in lVheels forScouring or Bufng, of which the following, taken in connection with theaccompanying drawings, is a specification.

My invention relates to certain improvements in wheels for scouring orbufiing shoe heels and bottoms.

In wheels as usually made the body has a cut-out portion hinged to themain body of the wheel, which cut-out portion forms a straining-piece todraw the sandpaper or buffin g-leather tight upon the roller. Variousdevices have been employed to draw said cutout or straining piece intoplace, but in most of them a separate tool had to be employed to securesaid straining-piece in place.

The object of my invention is to produce a wheel the hinged or strainingportion of which can be drawn in place without the use of any tool.

To this end the invention consists in the novel constructions andcombinations of parts recited in the appended claims.

Referring to the accompanying drawings, Figure 1 represents a sectionalview of a wheel embodying my invention, showing the hinged or strainingportion in the closed position. Fig. 2 is a similar view showing thehinged portion released and raised ready to receive the sandpaper orbufng-leather. Fig. 3 is a vertical section taken on line x a; of Fig.1, the hub being removed. Fig. 4 is a vertical longitudinal section ofthe hub. Fig. 5 is a cross-section taken on line y ly of Fig. 4E. Fig. 6is a side view of the hub, and Fig. 7 is a View of the bushing detached.

A represents the body of the wheel, and A the hinged or strainingportion thereof. In the center of the wheel is secured a ring or bushingB.

C is the hub which is secured to the driven shaft of the machine, saidhub being free to turn for a short distance in the bushing B. The hub isformed with a V-shaped groove C' that extends for about two-thirds ofits diameter. The upper edges of this groove are of a cam form, as shownat c,

The ring or bushing B is secured to the body of the wheel by means ofscrews b that pass through holes b, (see Fig. 7,) and it is also formedwith a hole b2 that is screwthreaded to receive a screw E, the lower endof which passes into the V-shaped groove C in the hub and preventslateral motion. This bushing is also formed with a circular aperture b3,through which the head of the screw D passes, said screw being carriedby the hinged portion A'.

Supposing the wheel to be in the position shown in Fig. 2, and it isdesired to attach a strip of sandpaper or bufng-leather, the paper orleather is placed in position and the hinged piece closed in the usualmanner,the head of the screw D passing through the aperture b3 in thering or bushing B and its head passing into the wide end of the V-grooveC in the hub C. The shaft is then allowed to rotate in the direction ofthe arrow 1', (see Fig. 1,) which causes the head of the screw D to passinto the V-groove C', and the camshaped' upper surface draws the headdown and with it the hinged piece A until the same is in the properlocked position, as shown in Fig. 1, the screw C preventing any lateralmovement.

When it is desired to replace the worn-out sandpaper or bufting-leatherwith a new piece, all that has to be done is to stop the machine, thenby hand force the Wheel back until the head of the screw D is releasedwhen the hinged portion A can be raised, and the old sandpaper orbufng-leather removed and a new piece supplied.

What I claim is- 1. The combination with a shaft having a boss with a re-entrant peripheral groove Whose overhanging portions are cam-shaped, ofa scouring or bufing wheel surrounding said boss and having a movablesection with a headed projection on its inner face to coact with there-entrant peripheral groove and its cam-shaped overhanging portionssubstantially in the manner and for the purpose described.

2. A wheel for scouring or bufting shoe heels or bottoms consisting of abody having a hinged or strainer piece said body being secured to a ringor bushing, a boss having a V-groove cut therein the upper surface ofIOO which gromre is of a @am form, a screw inname to this specification,in the presence of sorted in the hinged or straining piece, the twosubscribing Witnesses, on't'his 18th day of 1o head of which screw isadapted to pass into January, A. D. 1895.

said groove in the boss as described and :L f v T T 5 screw inserted inthe ring or bushing' and also Au C u IAN passing into said groove in theboss to pre- Titnessesz vent lateral motion as set forth. PORTER C.CRAY, In testimony whereof I have signed my HARRY J. COLE.

